CN104827929B - The control method and device of electric automobile - Google Patents

The control method and device of electric automobile Download PDF

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Publication number
CN104827929B
CN104827929B CN201410488412.4A CN201410488412A CN104827929B CN 104827929 B CN104827929 B CN 104827929B CN 201410488412 A CN201410488412 A CN 201410488412A CN 104827929 B CN104827929 B CN 104827929B
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vibration detection
sensor
detection signal
electric automobile
vibration
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CN104827929A (en
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周述易
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Beiqi Foton Motor Co Ltd
Beijing Treasure Car Co Ltd
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Beiqi Foton Motor Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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Abstract

The present invention proposes a kind of control method of electric automobile, and electric automobile includes vibration detection component and controller, and this method comprises the following steps:The vibrational state of electrokinetic cell in vibration detection component detection electric automobile, and generate vibration detection signal;And controller is alarmed and/or controlled electrokinetic cell to stop outside power supply according to detection signal.The method of the present invention ensure that the high-voltage safety of vehicle.Present invention also offers a kind of control device of electric automobile.

Description

The control method and device of electric automobile
Technical field
The present invention relates to field of automobile, more particularly to a kind of control method and device of electric automobile.
Background technology
At present, the battery management system of electric automobile only provides voltage monitoring, current monitoring and temperature to electrokinetic cell bag Monitoring function, and overvoltage, excessively stream and excess temperature safeguard protection are provided, but without offer vibration monitoring and safeguard function.Electronic vapour Car is during enforcement, and vibration is inevitable, although for security consideration, and electrokinetic cell system can basis before dispatching from the factory Relevant national standard example carries out vibration test to electrokinetic cell system, but when the oscillation intensity of electric automobile in the process of moving surpasses When going out the scope that power battery bag can bear, it is possible to be damaged inside electrokinetic cell bag, serious meeting causes battery The accidents such as short circuit occur for cell enclosure rupture, appliance component.However, the battery management system of electric automobile is not also right at present Electrokinetic cell bag carries out vibration monitoring and protection, thus human pilot can not understand the vibration feelings of power cell of vehicle bag at any time Condition.
The content of the invention
It is contemplated that at least solving one of technical problem in above-mentioned correlation technique to a certain extent.
Therefore, it is an object of the present invention to propose a kind of control method of electric automobile, this method ensure that whole The high-voltage safety of car.
It is another object of the present invention to provide a kind of control device of electric automobile.
To achieve these goals, the embodiment of first aspect present invention proposes a kind of control method of electric automobile, The electric automobile includes vibration detection component and controller, the described method comprises the following steps:The vibration detection component inspection The vibrational state of electrokinetic cell in the electric automobile is surveyed, and generates vibration detection signal;And the controller is according to described Detection signal is alarmed and/or controlled the electrokinetic cell to stop outside power supply.
The control method of electric automobile according to embodiments of the present invention, enters to the vibrational state of the electrokinetic cell of electric automobile Row detection, and being alarmed according to vibration detection signal in real time, so as to remind human pilot, to take corresponding protection in time Measure, when detecting that signal reaches certain threshold value, namely when vibrating especially violent, control electrokinetic cell stops outside power supply, from And ensure that the high-voltage safety of vehicle.
In addition, the control method of electric automobile according to the above embodiment of the present invention can also have technology additional as follows Feature:
In some instances, the vibration detection component includes:Multiple vibrating sensors, each vibrating sensor with Power battery module correspondence in the electrokinetic cell;Multiple microprocessing unit MCU, the multiple MCU respectively with it is described Multiple vibrating sensors are connected, and the multiple MCU is connected with the controller, for by the multiple vibrating sensor Vibration detection signal is sent to the controller.
In some instances, the type of at least two vibrating sensors is different in the multiple vibrating sensor.
In some instances, the multiple vibrating sensor includes electrodynamic transducers, electromagnetic sensor, electric vortex type Sensor, inductance type transducer, capacitance type sensor, inertia-type electrokinetic transducer, pressure type acceleration transducer, piezoelectric forces One or more in sensor, resistance strain type sensor, inertia-type vibration-measuring sensor and reluctance head.
In some instances, in addition to:When the vibration detection signal is more than the first predetermined threshold value and is preset less than second During threshold value, the vibration detection signal is shown by instrument;When the vibration detection signal be more than second predetermined threshold value and During less than three predetermined threshold values, alarmed by instrument;And when the vibration detection signal is more than the described 3rd default threshold During value, then the electrokinetic cell is controlled to stop outside power supply.
The embodiment of second aspect of the present invention provides a kind of control device of electric automobile, including:Vibration detection component, The vibration detection component is used for the vibrational state for detecting electrokinetic cell in electric automobile, and generates vibration detection signal;And Controller, the controller is used to be alarmed and/or controlled the electrokinetic cell to stop outside supplying according to the detection signal Electricity.
The control device of electric automobile according to embodiments of the present invention, enters to the vibrational state of the electrokinetic cell of electric automobile Row detection in real time, and alarmed according to detection signal, so as to remind human pilot, to take corresponding protection to arrange in time Apply, when detecting that signal reaches certain threshold value, namely when vibrating especially violent, control electrokinetic cell stops outside power supply, so that It ensure that the high-voltage safety of vehicle.Also, the apparatus structure is simple, it is easy to accomplish.
In addition, the control device of electric automobile according to the above embodiment of the present invention can also have technology additional as follows Feature:
In some instances, the vibration detection component includes:Multiple vibrating sensors, each vibrating sensor with Power battery module correspondence in the electrokinetic cell;Multiple microprocessing unit MCU, the multiple MCU respectively with it is described Multiple vibrating sensors are connected, and the multiple MCU is connected with the controller, for by the multiple vibrating sensor Vibration detection signal is sent to the controller.
In some instances, the type of at least two vibrating sensors is different in the multiple vibrating sensor.
In some instances, the multiple vibrating sensor includes electrodynamic transducers, electromagnetic sensor, electric vortex type Sensor, inductance type transducer, capacitance type sensor, inertia-type electrokinetic transducer, pressure type acceleration transducer, piezoelectric forces One or more in sensor, resistance strain type sensor, inertia-type vibration-measuring sensor and reluctance head.
In some instances, when the vibration detection signal is more than the first predetermined threshold value and less than the second predetermined threshold value, The controller shows the vibration detection signal by instrument;When the vibration detection signal is more than second predetermined threshold value And during less than three predetermined threshold values, the controller is alarmed by instrument;And when the vibration detection signal is more than institute When stating three predetermined threshold values, the controller controls the electrokinetic cell to stop outside power supply.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined Substantially and be readily appreciated that, wherein:
Fig. 1 is the flow chart of the control method of electric automobile according to an embodiment of the invention;
Fig. 2 is the realization principle block diagram of the control method of electric automobile according to an embodiment of the invention;
Fig. 3 is the schematic flow sheet of the control method of electric automobile in accordance with another embodiment of the present invention;And
Fig. 4 is the structured flowchart of the control device of electric automobile according to an embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
The control method and device of electric automobile according to embodiments of the present invention are described below in conjunction with accompanying drawing.
Fig. 1 is the flow chart of the control method of electric automobile according to an embodiment of the invention.As shown in figure 1, according to The control method of the electric automobile of one embodiment of the invention, wherein, electric automobile includes vibration detection component and controller, should Method comprises the following steps:
The vibrational state of electrokinetic cell in step S101, vibration detection component detection electric automobile, and generate vibration detection Signal.
In some instances, vibration detection component for example including:Multiple vibrating sensors and multiple MCU (Micro Control Unit, microprocessing unit).Wherein, each vibrating sensor and a power battery module pair in electrokinetic cell Should.Multiple microprocessing unit MCU are connected with multiple vibrating sensors respectively, and multiple MCU are connected with controller, for will be many The vibration detection signal of individual vibrating sensor is sent to controller.
Also, the type of at least two vibrating sensors is different in multiple vibrating sensors.Specifically, due to current The performance of various vibrating sensors differs, in vibration measurement, how according to test purpose and physical condition, reasonably selects and shakes Dynamic sensor is highly important, and selection is improper often to influence measurement accuracy, or even draws the wrong conclusion.Therefore, it is guarantor Card can detect the vibration signals such as amplitude, frequency, speed, acceleration, frequency, the stress of electrokinetic cell vibration simultaneously, it is ensured that power The diversity and reliability of the vibration detection signal of battery, the vibrating sensor that each battery module of electrokinetic cell is installed should It is different types of sensor.In some specific examples, multiple vibrating sensors are for example including electrodynamic transducers, electromagnetic type Sensor, eddy current sensor, inductance type transducer, capacitance type sensor, inertia-type electrokinetic transducer, pressure type acceleration Sensor, piezoelectric force transducer, resistance strain type sensor, inertia-type vibration-measuring sensor and one kind or many in reluctance head Kind.Therefore each MCU should design the vibration signals collecting and process circuit of itself for each self-corresponding vibrating sensor. MCU chip for example can be single-chip microcomputer, such as AT89C51.
Step S102, controller is alarmed and/or controlled electrokinetic cell to stop outside power supply according to detection signal.Specifically For, when vibration detection signal is more than the first predetermined threshold value and is less than the second predetermined threshold value, vibration detection is shown by instrument Signal;When vibration detection signal is more than the second predetermined threshold value and is less than three predetermined threshold values, alarmed by instrument;When shaking When dynamic detection signal is more than three predetermined threshold values, then electrokinetic cell is controlled to stop outside power supply.Wherein, in some instances, when When vibration detection signal is more than the first predetermined threshold value and is less than the second predetermined threshold value, show that the Vibration Condition of electrokinetic cell is in just In normal scope;When vibration detection signal is more than the second predetermined threshold value and is less than three predetermined threshold values, show shaking for electrokinetic cell Emotionally condition is beyond normal range of operation but in the safe tolerance range of electrokinetic cell;When vibration detection signal is pre- more than the 3rd If during threshold value, showing that the intensity and frequency of vibration detection signal exceed the safe tolerance range of electrokinetic cell.First predetermined threshold value, The value of second predetermined threshold value and the 3rd predetermined threshold value is set as the case may be.
As a specific example, as shown in Fig. 2 the method for the embodiment of the present invention is involved hard when implementing Part for example including:Constitute multiple power battery modules, microprocessing unit MCU, multiple vibrating sensors, the BCU of electrokinetic cell (Battery Control Unit, battery pack control unit), namely controller, high-voltage wiring harness, control wire harness, CAN, string It is coupled to positive and negative electrode relay, display instrument, warning device in battery system high-tension line.Wherein, each power battery module Surface is provided with that Temperature Humidity Sensor, voltage sensor be outer and vibrating sensor etc., when vibrating sensor will detect vibration inspection Survey signal to be transferred to after MCU is acquired and handles by CAN, input to BCU, BCU is by the vibration detection signal of input Carry out after calculation process, vibration information is exported and shown to display instrument.When vibration detection signal is more than the first default threshold When being worth and being less than the second predetermined threshold value, namely the Vibration Condition of electrokinetic cell is in normal range (NR), then aobvious by display instrument Show vibration detection signal.When vibration detection signal is more than the second predetermined threshold value and during less than three predetermined threshold values, i.e. power The Vibration Condition of battery is beyond normal range of operation but in the safe tolerance range of electrokinetic cell, then controller control alarm Device alert, and pass through instrument display alarm information.When vibration detection signal is more than three predetermined threshold values, namely The intensity and frequency of vibration detection signal exceed the safe tolerance range of electrokinetic cell, then controller cut-out positive and negative electrode relay Switch, i.e. cutoff high battery output, disconnect vehicle high voltage power supply, it is ensured that the security of electric automobile.
With reference to Fig. 2 and Fig. 3, the specific control principle and flow of the method for the embodiment of the present invention can be summarized as follows:In vehicle During normally travel, multiple different types of vibrating sensors detect the vibration letter of each power battery module corresponding to it simultaneously Breath, obtains vibration detection signal, and exports and be divided into vibration threshold scope normally after corresponding MCU processing to BCU, BCU Vibration threshold and security protection threshold range.Further, BCU receives the vibration detection signal that MCU transmission comes, by comprehensive fortune Judge which kind of threshold range Vibration Condition is in after calculation processing.Wherein, in this example, BCU has analyzing and processing vibration detection The ability of signal, can be using DSP (Digital Signal Process, Digital Signal Processing) chips as BCU, such as TMS320F2812、TMS320F28035。
When Vibration Parameter (vibration detection signal) is in normal vibration threshold range, BCU maintains electrokinetic cell normal Work, it is ensured that vehicle is normally run, and display instrument shows the vibration information of each power battery module in real time.
When Vibration Parameter exceeds normal vibration threshold value but is in security protection threshold range, BCU continues to power Normal battery operation, each electrical equipment normal work of vehicle, display instrument shows the vibration information of each battery module in real time, But BCU control warning device output warning messages, and by display instrument display alarm information, to remind human pilot current The Vibration Condition of electrokinetic cell, which is in, closes on precarious position, so as to take correspondence safeguard procedures in time, for example, run slowly, The traveling that changes its course or progress maintenance overhaul etc. of stopping in emergency, also, BCU be ready to send control signal disconnect positive and negative electrode after Appliance contact is switched.
When Vibration Parameter exceeds security protection threshold range, BCU sends control signal to disconnect positive and negative electrode relay immediately Device contact switch, cutoff high electrical source of power, while exporting catastrophe failure warning message, notifies human pilot current power battery Vibration Condition it is in the hole, and be stopped, it is necessary to overhaul immediately.Further, entire car controller passes through Each electrical equipment on CAN monitoring vehicle, checks whether failure.
The control method of electric automobile according to embodiments of the present invention, enters to the vibrational state of the electrokinetic cell of electric automobile Row detection, and alarmed and protected according to vibration information in real time, sends general when oscillation intensity exceeds normal range of operation Failure alarm signal, and notify human pilot to take countermeasure, when oscillation intensity exceeds safe range cut-out positive and negative electrode after Electric switch (i.e. high-voltage electric switch), control electrokinetic cell stops outside power supply, and exports catastrophe failure alarm signal, it is ensured that The safety of vehicle electrical equipment.In addition, this method detects the vibration feelings of each power battery module using a variety of vibrating sensors Condition, and send controller to, to a variety of Vibration Parameters alarmed after comprehensive analysis calculation process and defense controls is moved Make, it is ensured that electrokinetic cell vibration information monitoring diversity and reliability, it is to avoid because only detect single vibration parameter and caused by miss The occurrence of report.
Further embodiment of the present invention additionally provides a kind of control device of electric automobile.
Fig. 4 is the structured flowchart of the control device of electric automobile according to an embodiment of the invention.As shown in figure 4, root According to the control device 400 of the electric automobile of one embodiment of the invention, including:Vibration detection component 410 and controller 420.
Wherein, vibration detection component 410 is used for the vibrational state for detecting electrokinetic cell in electric automobile, and generates vibration inspection Survey signal.
In some instances, vibration detection component 410 for example including:Multiple vibrating sensors and multiple microprocessing units MCU.Wherein, each vibrating sensor is corresponding with a power battery module in electrokinetic cell.Multiple microprocessing unit MCU points It is not connected with multiple vibrating sensors, and multiple MCU are connected with controller, for by the vibration detection of multiple vibrating sensors Signal is sent to controller.
Also, the type of at least two vibrating sensors is different in multiple vibrating sensors.Specifically, due to current The performance of various vibrating sensors differs, in vibration measurement, how according to test purpose and physical condition, reasonably selects and shakes Dynamic sensor is highly important, and selection is improper often to influence measurement accuracy, or even draws the wrong conclusion.Therefore, it is guarantor Card can detect the vibration signals such as amplitude, frequency, speed, acceleration, frequency, the stress of electrokinetic cell vibration simultaneously, it is ensured that power The diversity and reliability of the vibration detection signal of battery, the vibrating sensor that each battery module of electrokinetic cell is installed should It is different types of sensor.In some specific examples, multiple vibrating sensors are for example including electrodynamic transducers, electromagnetic type Sensor, eddy current sensor, inductance type transducer, capacitance type sensor, inertia-type electrokinetic transducer, pressure type acceleration Sensor, piezoelectric force transducer, resistance strain type sensor, inertia-type vibration-measuring sensor and one kind or many in reluctance head Kind.Therefore each MCU should design the vibration signals collecting and process circuit of itself for each self-corresponding vibrating sensor. MCU chip for example can be single-chip microcomputer, such as AT89C51.
Controller 420 is used to be alarmed and/or controlled electrokinetic cell to stop outside power supply according to detection signal.
Specifically, when vibration detection signal is more than the first predetermined threshold value and less than the second predetermined threshold value, controller 420 Control instrument shows vibration detection signal;When vibration detection signal is more than the second predetermined threshold value and is less than three predetermined threshold values, The control of controller 420 display instrument is alarmed;When vibration detection signal is more than three predetermined threshold values, then controller 420 is controlled Brake force battery stops outside power supply.Wherein, in some instances, when vibration detection signal is more than the first predetermined threshold value and is less than During the second predetermined threshold value, show that the Vibration Condition of electrokinetic cell is in normal range (NR);When vibration detection signal is pre- more than second If threshold value and during less than three predetermined threshold values, show the Vibration Condition of electrokinetic cell beyond normal range of operation but positioned at power electric In the safe tolerance range in pond;When vibration detection signal be more than three predetermined threshold values when, show vibration detection signal intensity and Frequency exceeds the safe tolerance range of electrokinetic cell.The value root of first predetermined threshold value, the second predetermined threshold value and the 3rd predetermined threshold value Set according to concrete condition.
As a specific example, as shown in Fig. 2 the device 400 of the embodiment of the present invention is involved in the specific implementation Hardware for example including:Multiple power battery modules of composition electrokinetic cell, microprocessing unit MCU, multiple vibrating sensors, control Device 420 (i.e. BCU in Fig. 2) processed, high-voltage wiring harness, control wire harness, CAN, be series in battery system high-tension line just, Negative pole relay, display instrument, warning device.Wherein, each power battery module surface is provided with Temperature Humidity Sensor, voltage Sensor is outer and vibrating sensor etc., enters when vibrating sensor will detect vibration detection signal and be transferred to MCU by CAN After row collection and processing, input to controller BCU, BCU and carry out the vibration detection signal of input after calculation process, vibration is believed Breath output is shown to display instrument.When vibration detection signal is more than the first predetermined threshold value and is less than the second predetermined threshold value, Namely the Vibration Condition of electrokinetic cell is in normal range (NR), then vibration detection signal is shown by display instrument.When shaking When dynamic detection signal is more than the second predetermined threshold value and is less than three predetermined threshold values, i.e., the Vibration Condition of electrokinetic cell exceeds normal work Make scope but in the safe tolerance range of electrokinetic cell, then controller control warning device alert, and passing through Instrument display alarm information.When vibration detection signal be more than three predetermined threshold values when, namely vibration detection signal intensity and frequency Rate exceeds the safe tolerance range of electrokinetic cell, then controller cuts off the switch of positive and negative electrode relay, i.e. cutoff high battery Output, disconnects vehicle high voltage power supply, it is ensured that the security of electric automobile.
With reference to Fig. 2 and Fig. 3, the specific control principle of the device 400 of the embodiment of the present invention can be summarized as follows:It is normal in vehicle During traveling, multiple different types of vibrating sensors detect the vibration information of each power battery module corresponding to it simultaneously, Obtain vibration detection signal, and exported after corresponding MCU processing and give controller BCU, BCU to be divided into vibration threshold scope just Normal vibration threshold and security protection threshold range.Further, BCU receives the vibration detection signal that MCU transmission comes, by synthesis Judge which kind of threshold range Vibration Condition is in after calculation process.Wherein, in this example, BCU has analyzing and processing vibration inspection The ability of signal is surveyed, BCU, such as TMS320F2812, TMS320F28035 can be used as using dsp chip.
When Vibration Parameter (vibration detection signal) is in normal vibration threshold range, BCU maintains electrokinetic cell normal Work, it is ensured that vehicle is normally run, and display instrument shows the vibration information of each power battery module in real time.
When Vibration Parameter exceeds normal vibration threshold value but is in security protection threshold range, BCU continues to power Normal battery operation, each electrical equipment normal work of vehicle, display instrument shows the vibration information of each battery module in real time, But BCU control warning device output warning messages, and by display instrument display alarm information, to remind human pilot current The Vibration Condition of electrokinetic cell, which is in, closes on precarious position, so as to take correspondence safeguard procedures in time, for example, run slowly, The traveling that changes its course or progress maintenance overhaul etc. of stopping in emergency, also, BCU be ready to send control signal disconnect positive and negative electrode after Appliance contact is switched.
When Vibration Parameter exceeds security protection threshold range, BCU sends control signal to disconnect positive and negative electrode relay immediately Device contact switch, cutoff high electrical source of power, while exporting catastrophe failure warning message, notifies human pilot current power battery Vibration Condition it is in the hole, and be stopped, it is necessary to overhaul immediately.Further, entire car controller passes through Each electrical equipment on CAN monitoring vehicle, checks whether failure.
The control device of electric automobile according to embodiments of the present invention, enters to the vibrational state of the electrokinetic cell of electric automobile Row detection, and alarmed and protected according to vibration information in real time, sends general when oscillation intensity exceeds normal range of operation Failure alarm signal, and notify human pilot to take countermeasure, when oscillation intensity exceeds safe range cut-out positive and negative electrode after Electric switch (i.e. high-voltage electric switch), control electrokinetic cell stops outside power supply, and exports catastrophe failure alarm signal, it is ensured that The safety of vehicle electrical equipment.In addition, the device detects the vibration feelings of each power battery module using a variety of vibrating sensors Condition, and send controller to, to a variety of Vibration Parameters alarmed after comprehensive analysis calculation process and defense controls is moved Make, it is ensured that electrokinetic cell vibration information monitoring diversity and reliability, it is to avoid because only detect single vibration parameter and caused by miss The occurrence of report.Also, the apparatus structure is simple, it is easy to accomplish.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects Connect or electrically connect;Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For one of ordinary skill in the art For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature It is that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changed, replacing and modification.

Claims (6)

1. a kind of control method of electric automobile, it is characterised in that the electric automobile includes vibration detection component and controller, It the described method comprises the following steps:
The vibrational state of electrokinetic cell in electric automobile described in the vibration detection component detection, and generate vibration detection signal, Wherein, the vibration detection component includes:Multiple vibrating sensors and multiple microprocessing unit MCU, each vibrating sensing Device is corresponding with a power battery module in the electrokinetic cell, and at least two vibrations are passed in the multiple vibrating sensor The type of sensor is different, and the multiple MCU is connected with the multiple vibrating sensor respectively, and the multiple MCU with it is described Controller is connected, for the vibration detection signal of the multiple vibrating sensor to be sent to the controller;And
The controller is alarmed and/or controlled the electrokinetic cell to stop outside power supply according to the detection signal.
2. the control method of electric automobile as claimed in claim 1, it is characterised in that the multiple vibrating sensor includes electricity The electronic biography of dynamic formula sensor, electromagnetic sensor, eddy current sensor, inductance type transducer, capacitance type sensor, inertia-type Sensor, pressure type acceleration transducer, piezoelectric force transducer, resistance strain type sensor, inertia-type vibration-measuring sensor and resistance One or more in anti-head.
3. the control method of electric automobile as claimed in claim 1, it is characterised in that also include:
When the vibration detection signal is more than the first predetermined threshold value and is less than the second predetermined threshold value, described shake is shown by instrument Dynamic detection signal;
When the vibration detection signal is more than second predetermined threshold value and is less than three predetermined threshold values, reported by instrument It is alert;And
When the vibration detection signal is more than three predetermined threshold value, then the electrokinetic cell is controlled to stop outside power supply.
4. a kind of control device of electric automobile, it is characterised in that including:
Vibration detection component, the vibration detection component is used for the vibrational state for detecting electrokinetic cell in electric automobile, and generates Vibration detection signal, wherein, the vibration detection component includes:Multiple vibrating sensors and multiple microprocessing unit MCU, each The vibrating sensor is corresponding with a power battery module in the electrokinetic cell, in the multiple vibrating sensor at least There is the type difference of two vibrating sensors, the multiple MCU is connected with the multiple vibrating sensor respectively, and the multiple MCU is connected with the controller, for the vibration detection signal of the multiple vibrating sensor to be sent to the controller; And
Controller, the controller is used to be alarmed and/or controlled the electrokinetic cell to stop according to the vibration detection signal Only outwards power supply.
5. the control device of electric automobile as claimed in claim 4, it is characterised in that the multiple vibrating sensor includes electricity The electronic biography of dynamic formula sensor, electromagnetic sensor, eddy current sensor, inductance type transducer, capacitance type sensor, inertia-type Sensor, pressure type acceleration transducer, piezoelectric force transducer, resistance strain type sensor, inertia-type vibration-measuring sensor and resistance One or more in anti-head.
6. the control device of electric automobile as claimed in claim 4, it is characterised in that wherein,
When the vibration detection signal is more than the first predetermined threshold value and is less than the second predetermined threshold value, the controller passes through instrument Show the vibration detection signal;
When the vibration detection signal is more than second predetermined threshold value and is less than three predetermined threshold values, the controller passes through Instrument is alarmed;And
When the vibration detection signal is more than three predetermined threshold value, the controller control the electrokinetic cell stop to Outer power supply.
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